In order to engage in these practices that brought the world’s economy to its knees, Wall Street had to make sure that the federal government based in Washington, DC would both de-regulate the financial industry (and provide lax oversight) and that Congress and the Federal Reserve would bail out banks with few strings attached if they were in danger of failing. The way the financial industry and big banks won this kid glove treatment from the federal government is by occupying Washington — flooding it with campaign contributions, lobbyists, and its own staffers and executives to occupy key positions of power. ThinkProgress has assembled a rundown of three ways Wall Street has occupied Washington.